In the first days after the rising of the Sun, Ard-galen was a green plain with rich grass, reaching from Hithlum and the Ered Wethrin in the west to the Ered Luin in the east, and rising into highlands of Dorthonion in the south. But the plain was laid waste by rivers of flame and poisonous gases in the Dagor Bragollach and renamed Anfauglith ("Gasping Dust").